The farad being inconveniently large for practical use, one-millionth of a farad, called a microfarad, is generally adopted.
Then we would say that the condenser had a capacity of one microfarad.
The leak should have a very high resistance, usually one or two million ohms if the condenser is about 0.002 microfarad.
The condensers used in the above experiment have a capacity of one microfarad, or one millionth of a farad.
Since the farad is far too large for practical purposes a millionth of a farad, or microfarad, whose symbol is mfd., is used.
M. Bouty mentions a condenser of one microfarad capacity weighing 1500 grms.